DONETSK, UKRAINE - MAY 4: Pro-Russian protesters drive away with a man who was beaten, detained, and accused of being a provocateur outside the Executive Council building on May 4, 2014 in Donetsk, Ukraine. Cities across Eastern Ukraine have been overtaken by pro-Russian protesters in recent weeks, leading the Ukrainian military to respond with force in some areas. (Photo by Brendan Hoffman for The Washington Post)